document.write( "Question 243185: a wall is supported by a brace 10 feet long. if one end of the brace is placed 6 feet from the base of the wall, how man feet up the wall does the brace reach? \n" ); document.write( "
Algebra.Com's Answer #178182 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! a wall is supported by a brace 10 feet long. if one end of the brace is placed 6 feet from the base of the wall, how man feet up the wall does the brace reach? \n" ); document.write( ". \n" ); document.write( "Since the wall and the floor forms a right angle (90 degrees), we can apply the Pythagorean theorem (where the brace is the hypotenuse). \n" ); document.write( ". \n" ); document.write( "Let x = distance (feet) the brace reaches up the wall \n" ); document.write( "then \n" ); document.write( "x^2 + 6^2 = 10^2 \n" ); document.write( "x^2 + 36 = 100 \n" ); document.write( "x^2 = 64 \n" ); document.write( "x = 8 feet\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |